Author Question: Suppose the selected PC owner is opposed to the new proposal. What is the conditional probability ... (Read 54 times)

Metfan725 · **on:** Jul 24, 2018

Suppose the selected PC owner is opposed to the new proposal. What is the conditional probability that the person is an owner of a PC made by Bell?

Question 2

A 95 confidence interval for the proportion of young adults who skip breakfast is found to be 0.20 to 0.27. Which of the following is the correct interpretation of the 95 confidence interval?
a. There is a 95 probability that the proportion of young adults who skip breakfast is between 0.20 and 0.27.
b. If this study were to be repeated with a sample of the same size, there is a 95 probability that the sample proportion would be between 0.20 and 0.27.
c. We can be 95 confident that the sample proportion of young adults who skip breakfast is between 0.20 and 0.27.
d. We can be 95 confident that the population proportion of young adults who skip breakfast is between 0.20 and 0.27.

parker125 · **Reply #1 on:** Jul 24, 2018

Answer to Question 1

0.1765

Questions 98 to 100: Of the residents of the U.S., 43 live in Northeast/Midwest region while the remaining 57 live in the South/West region. Of the residents in the Northeast/Midwest region, 14 are senior citizens, while the corresponding value for the South/West region is 12. A citizen will be selected at random.

Answer to Question 2

D